fn main() {
    let one = [1,2,3];
    let two:[i32;3] = [1,2,3];
    let blank1 = [0;3];
    let blank2:[i32;3] = [0;3];

    let arrays = [one,two,blank1,blank2];

    for array in arrays {
       print!("{:?}",array);
       for n in array {
           print!("\t{} + 10 = {}",n,n+10);
       } 

       let mut sum = 0;
       for i in 0..array.len() {
           sum += array[i];
       }
       println!("\t(∑{:?} = {})", array, sum);
    }
}
